बाजार नियंत्रण नियम (मूल्य नियंत्रण प्रणाली) किस दिल्ली सुल्तान द्वारा शुरू किए गए थे?

Who built the Shahi (Royal) road during his rule, which was later renovated and renamed the Grand Trunk Road by the British?

In which year was the Bahmani Sultanate established?

The 'Alai Darwaza', the entrance gate of Qutub Minar, was constructed during whose reign?